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via Stack Overflow by Rajesh Kumar
, 1 year ago
Can't send command to SMTP host; nested exception is: javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
via Google Groups by Marius Pontmercy, 9 months ago
Can't send command to SMTP host; nested exception is: javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
via Coderanch by alsoumahi alBatal, 10 months ago
Can't send command to SMTP host; nested exception is: javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
via Oracle Community by 843834, 2 years ago
Can't send command to SMTP host; nested exception is: javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
via Stack Overflow by TransSys Solutions
, 1 year ago
Can't send command to SMTP host; nested exception is: javax.net.ssl.SSLHandshakeException: No appropriate protocol (protocol is disabled or cipher suites are inappropriate)
via Oracle Community by 800371, 2 years ago
javax.mail.MessagingException: Can't send command to SMTP host; nested exception is: javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target	at com.sun.mail.smtp.SMTPTransport.sendCommand(SMTPTransport.java:1420)	at com.sun.mail.smtp.SMTPTransport.sendCommand(SMTPTransport.java:1408)	at com.sun.mail.smtp.SMTPTransport.ehlo(SMTPTransport.java:847)	at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:384)	at javax.mail.Service.connect(Service.java:297)	at javax.mail.Service.connect(Service.java:156)	at javax.mail.Service.connect(Service.java:105)	at com.server.util.MailServerHandler.checkMailServer(MailServerHandler.java:145)